期刊论文

Li, Xiao-Hua

英文

EUROPEAN PHYSICAL JOURNAL A

1434-6001

2019

55

4

1-10

10.1140/epja/i2019-12728-0

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11205083, 11505100]; Construct Program of the Key Discipline in Hunan Province; Research Foundation of Education Bureau of Hunan Province, China [15A159, 18A237, 18B263]; Natural Science Foundation of Hunan Province, ChinaNatural Science Foundation of Hunan Province [2015JJ3103, 2015JJ2121]; Innovation Group of Nuclear and Particle Physics in USC; Shandong Province Natural Science Foundation, ChinaNatural Science Foundation of Shandong Province [ZR2015AQ007]; Hunan Provincial Innovation Foundation for Postgraduate [CX2017B536]; University of South China Science Foundation for Postgraduate [2018KYY027]

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In this work we present a systematic study of the proton radioactivity half-lives of spherical proton emitters within the Coulomb and proximity potential model. We investigate 28 different versions of the proximity potential formalisms developed for the description of proton radioactivity, $\alpha$ decay and heavy particle radioactivity. It is found that 21 of them are not suitable to deal with the proton radioactivity, because the classical turning points $r_{\mathrm{in}}$ cannot be obtained due to the fact that the depth of the total interaction potential between the em...